/* ==========================================================================
   KALPET.SK — Master Design System & Luxury Aesthetics
   Deep Forest Emerald, Precision Gold Metallic Geometries, Glassmorphism
   Inspired by murnik.sk architectural standard
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
    /* Color Palette */
    --bg-base: #06100b;
    --bg-surface: #0a1711;
    --bg-elevated: #0e2018;
    --bg-card: rgba(12, 26, 19, 0.78);
    --bg-card-hover: rgba(18, 38, 28, 0.94);
    --bg-glass: rgba(10, 22, 16, 0.88);
    --bg-glass-strong: rgba(12, 28, 20, 0.96);

    /* Emerald Green Accents */
    --emerald-primary: #1a4f35;
    --emerald-light: #2b7a54;
    --emerald-bright: #349c6b;
    --emerald-glow: rgba(43, 122, 84, 0.28);
    --emerald-glow-strong: rgba(52, 156, 107, 0.45);

    /* Metallic Gold Accents */
    --gold-primary: #d4af37;
    --gold-light: #f7e4a8;
    --gold-dark: #9e791b;
    --gold-gradient: linear-gradient(135deg, #fff3cf 0%, #d4af37 48%, #9e791b 100%);
    --gold-gradient-soft: linear-gradient(135deg, rgba(255,243,207,0.15) 0%, rgba(212,175,55,0.08) 100%);
    --gold-glow: rgba(212, 175, 55, 0.2);
    --gold-glow-strong: rgba(212, 175, 55, 0.48);

    /* Neutral Typography */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #849a8f;
    --text-dim: #536b60;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.07);
    --border-emerald: rgba(43, 122, 84, 0.35);
    --border-gold: rgba(212, 175, 55, 0.26);
    --border-gold-bright: rgba(212, 175, 55, 0.65);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Sizing & Transitions */
    --header-height: 84px;
    --container-max: 1400px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-full: 9999px;
    --transition-smooth: all 0.32s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: all 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================================================
   Base Reset & Global Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    background-color: var(--bg-base);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    max-width: 100vw;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    max-width: 100vw;
    position: relative;
}

/* Background Atmosphere */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 600px;
    background: radial-gradient(circle 800px at 50% -100px, rgba(43, 122, 84, 0.18), transparent 70%),
                radial-gradient(circle 600px at 85% 200px, rgba(212, 175, 55, 0.08), transparent 60%);
    pointer-events: none;
    z-index: 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Utility Layout */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
    position: relative;
    z-index: 1;
}

/* Gold Gradient Text */
.gold-text {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.emerald-text {
    color: var(--emerald-bright);
}

/* Section Header Styles */
.section-header {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 3.5rem;
}

.section-header.text-left {
    text-align: left;
    margin-left: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gold-light);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--border-gold);
    padding: 0.35rem 0.95rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.25rem;
    backdrop-filter: blur(8px);
}

.badge.emerald {
    color: #6ee7b7;
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.28);
}

.badge .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold-primary);
    box-shadow: 0 0 8px var(--gold-primary);
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(6, 16, 11, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.site-header.scrolled {
    background: rgba(6, 16, 11, 0.94);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(212, 175, 55, 0.06);
    border-bottom-color: var(--border-gold);
}

.nav-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    z-index: 10;
}

.brand-logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
    transition: var(--transition-smooth);
}

.brand-link:hover .brand-logo-img {
    transform: scale(1.02);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-gradient);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link:hover, .nav-link.active {
    color: #ffffff;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-header-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gold-light);
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--border-gold);
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-full);
    transition: var(--transition-smooth);
}

.btn-header-phone:hover {
    background: var(--gold-primary);
    color: #06100b;
    border-color: var(--gold-primary);
    box-shadow: 0 0 20px var(--gold-glow-strong);
    transform: translateY(-1px);
}

.btn-quote {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #06100b;
    background: var(--gold-gradient);
    padding: 0.65rem 1.35rem;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.28);
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.btn-quote:hover {
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.5);
    transform: translateY(-2px);
    filter: brightness(1.06);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.6rem;
    color: var(--text-primary);
    cursor: pointer;
    z-index: 1002;
    transition: var(--transition-smooth);
}

.menu-toggle:hover {
    border-color: var(--gold-primary);
    color: var(--gold-light);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 380px;
    height: 100vh;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-gold);
    box-shadow: -15px 0 40px rgba(0, 0, 0, 0.7);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    padding: 6rem 2rem 2.5rem;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
}

.mobile-nav-drawer.open {
    right: 0;
}

.mobile-nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.mobile-nav-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
    color: var(--gold-light);
    border-bottom-color: var(--gold-primary);
    padding-left: 0.5rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 5.5rem;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4.5vw, 4.25rem);
    font-weight: 900;
    line-height: 1.12;
    color: #ffffff;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
}

.hero-description {
    font-size: clamp(1.05rem, 1.4vw, 1.25rem);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 620px;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #06100b;
    background: var(--gold-gradient);
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.35);
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.55);
    filter: brightness(1.08);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: rgba(12, 26, 19, 0.7);
    border: 1px solid var(--border-gold);
    padding: 0.95rem 1.85rem;
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.14);
    border-color: var(--gold-primary);
    color: var(--gold-light);
    transform: translateY(-3px);
}

/* Hero Showcase Card */
.hero-visual {
    position: relative;
}

.hero-card-stack {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-gold);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(43, 122, 84, 0.2);
    background: var(--bg-surface);
}

.hero-main-img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.hero-card-stack:hover .hero-main-img {
    transform: scale(1.03);
}

.hero-floating-badge {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    background: rgba(10, 22, 16, 0.88);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.hero-floating-info h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
}

.hero-floating-info p {
    font-size: 0.85rem;
    color: var(--gold-light);
}

.hero-floating-tag {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: #06100b;
    background: var(--gold-gradient);
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

/* Stats Row */
.stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding: 2.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    margin-top: 3.5rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
}

.stat-item {
    text-align: center;
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 15%;
    right: 0;
    height: 70%;
    width: 1px;
    background: var(--border-subtle);
}

.stat-category {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3vw, 2.75rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--gold-light);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Two Main Pillars: Napínacie stropy & Doprava
   ========================================================================== */
.pillars-section {
    padding: 6.5rem 0;
    position: relative;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.pillar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(14px);
    transition: var(--transition-smooth);
    position: relative;
}

.pillar-card:hover {
    border-color: var(--border-gold-bright);
    background: var(--bg-card-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px var(--gold-glow);
}

.pillar-img-wrapper {
    position: relative;
    height: 320px;
    overflow: hidden;
}

.pillar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.pillar-card:hover .pillar-img {
    transform: scale(1.05);
}

.pillar-badge-overlay {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    z-index: 2;
}

.pillar-body {
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.pillar-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.pillar-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.75rem;
}

.pillar-features {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 2.25rem;
    flex-grow: 1;
}

.pillar-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.feature-check-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--border-gold);
    color: var(--gold-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.pillar-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Ceiling Types Showcase Grid
   ========================================================================== */
.ceiling-types-section {
    padding: 6.5rem 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 23, 17, 0.6) 50%, transparent 100%);
}

.ceiling-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
}

.ceiling-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.ceiling-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5), 0 0 20px var(--gold-glow);
}

.ceiling-card-img {
    height: 210px;
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.ceiling-card:hover .ceiling-card-img {
    transform: scale(1.04);
}

.ceiling-card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.ceiling-tag {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--gold-light);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.ceiling-card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.65rem;
}

.ceiling-card-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.ceiling-benefits-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1.25rem;
}

.benefit-pill {
    font-size: 0.72rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
}

/* ==========================================================================
   Comparison Table: Napínacie stropy vs Sadrokartón
   ========================================================================== */
.comparison-section {
    padding: 6.5rem 0;
}

.comparison-table-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.comparison-table th, .comparison-table td {
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--border-subtle);
}

.comparison-table th {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    background: rgba(14, 32, 24, 0.95);
    color: #ffffff;
}

.comparison-table th.highlight-col {
    background: rgba(43, 122, 84, 0.35);
    color: var(--gold-light);
    border-left: 2px solid var(--gold-primary);
    border-right: 2px solid var(--gold-primary);
}

.comparison-table td.highlight-col {
    background: rgba(212, 175, 55, 0.04);
    font-weight: 600;
    color: #ffffff;
    border-left: 2px solid var(--gold-primary);
    border-right: 2px solid var(--gold-primary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comp-badge-win {
    color: #4ade80;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
}

.comp-badge-loss {
    color: #f87171;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* ==========================================================================
   Interactive Instant Price Calculator
   ========================================================================== */
.calculator-section {
    padding: 6.5rem 0;
    position: relative;
}

.calc-box {
    background: var(--bg-card);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 4vw, 3.5rem);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 35px var(--gold-glow);
    backdrop-filter: blur(16px);
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 3.5rem;
    align-items: center;
}

.calc-form-group {
    margin-bottom: 1.75rem;
}

.calc-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.calc-val-display {
    color: var(--gold-light);
    font-weight: 700;
    font-size: 1.1rem;
}

.calc-range {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.12);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.calc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gold-gradient);
    cursor: pointer;
    box-shadow: 0 0 12px var(--gold-primary);
    transition: transform 0.2s;
}

.calc-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.calc-select-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
}

.calc-type-option {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.85rem 0.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    user-select: none;
}

.calc-type-option.active {
    background: rgba(212, 175, 55, 0.15);
    border-color: var(--gold-primary);
    color: var(--gold-light);
    font-weight: 600;
    box-shadow: 0 0 15px var(--gold-glow);
}

.calc-result-panel {
    background: rgba(10, 22, 16, 0.95);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    text-align: center;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.6);
}

.calc-result-badge {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--gold-light);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.calc-price-amount {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.calc-price-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* ==========================================================================
   Fleet & Equipment Showcase
   ========================================================================== */
.fleet-section {
    padding: 6.5rem 0;
}

.fleet-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.fleet-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(14px);
    transition: var(--transition-smooth);
}

.fleet-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.fleet-img-wrap {
    height: 300px;
    overflow: hidden;
    position: relative;
}

.fleet-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.fleet-card:hover .fleet-img {
    transform: scale(1.05);
}

.fleet-body {
    padding: 2rem;
}

.fleet-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.fleet-purpose {
    color: var(--gold-light);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
}

.fleet-capacity-box {
    background: rgba(255, 255, 255, 0.04);
    border-left: 3px solid var(--gold-primary);
    padding: 0.85rem 1.1rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   4-Step Process Section
   ========================================================================== */
.process-section {
    padding: 6.5rem 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 22, 16, 0.5) 50%, transparent 100%);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
    position: relative;
}

.process-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    position: relative;
    transition: var(--transition-smooth);
}

.process-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.process-step-num {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 900;
    line-height: 1;
    color: rgba(212, 175, 55, 0.25);
    margin-bottom: 1.25rem;
    transition: var(--transition-smooth);
}

.process-card:hover .process-step-num {
    color: var(--gold-primary);
}

.process-card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.process-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   Realizácie & Galéria Section
   ========================================================================== */
.gallery-section {
    padding: 6.5rem 0;
}

.gallery-filter-bar {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.filter-btn {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.6rem 1.35rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--gold-gradient);
    color: #06100b;
    border-color: var(--gold-primary);
    box-shadow: 0 4px 15px var(--gold-glow);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.gallery-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.gallery-item:hover {
    border-color: var(--border-gold);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.6);
}

.gallery-img-wrap {
    height: 280px;
    overflow: hidden;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover .gallery-img {
    transform: scale(1.08);
}

.gallery-caption {
    padding: 1.25rem;
}

.gallery-caption h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
}

.gallery-caption p {
    font-size: 0.85rem;
    color: var(--gold-light);
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(12px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox-modal.active {
    display: flex;
}

.lightbox-content {
    max-width: 1000px;
    max-height: 85vh;
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}

.lightbox-img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid var(--border-gold);
    color: #ffffff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    transition: var(--transition-smooth);
}

.lightbox-close:hover {
    background: var(--gold-primary);
    color: #06100b;
}

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testimonials-section {
    padding: 6.5rem 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 22, 16, 0.4) 50%, transparent 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.testimonial-stars {
    color: var(--gold-primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author h5 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.15rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--gold-light);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
    padding: 6.5rem 0;
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item.active {
    border-color: var(--border-gold);
    background: var(--bg-card-hover);
}

.faq-question {
    width: 100%;
    padding: 1.35rem 1.75rem;
    background: transparent;
    border: none;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    transition: var(--transition-smooth);
}

.faq-question:hover {
    color: var(--gold-light);
}

.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--gold-light);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    background: var(--gold-primary);
    color: #06100b;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 1.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
}

.faq-item.active .faq-answer {
    max-height: 250px;
    padding: 0 1.75rem 1.5rem;
}

/* ==========================================================================
   Contact Section & Form
   ========================================================================== */
.contact-section {
    padding: 6.5rem 0;
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 3.5rem;
    align-items: flex-start;
}

.contact-card-info {
    background: var(--bg-card);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-lg);
    padding: 2.75rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(16px);
}

.contact-card-info h3 {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.contact-card-info p.lead {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2.25rem;
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.channel-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.channel-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.12);
    border: 1px solid var(--border-gold);
    color: var(--gold-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.channel-text span {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 0.2rem;
}

.channel-text a, .channel-text strong {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
}

.channel-text a:hover {
    color: var(--gold-light);
}

/* Business Card Preview Box */
.business-card-preview {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-gold);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    margin-top: 2rem;
}

/* Form Container */
.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.75rem;
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.85rem 1.15rem;
    min-height: 48px;
    background: rgba(6, 16, 11, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-sm);
    color: #ffffff;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 15px var(--gold-glow);
    background: rgba(10, 24, 17, 0.95);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Anti-spam honeypot */
.visually-hidden {
    position: absolute;
    clip-path: inset(50%);
    overflow: hidden;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    white-space: nowrap;
}

.form-status-alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    display: none;
    font-size: 0.95rem;
    font-weight: 500;
}

.form-status-alert.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid #10b981;
    color: #6ee7b7;
}

.form-status-alert.error {
    display: block;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid #ef4444;
    color: #fca5a5;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: #030805;
    border-top: 1px solid var(--border-gold);
    padding: 5rem 0 2rem;
    position: relative;
    z-index: 10;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 3.5rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
    margin: 1.25rem 0 1.75rem;
    max-width: 340px;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--gold-light);
    transform: translateX(4px);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.footer-contact-item svg {
    color: var(--gold-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-legal-links {
    display: flex;
    gap: 1.5rem;
}

.footer-legal-links a:hover {
    color: var(--gold-light);
}

/* ==========================================================================
   Mobile Bottom Floating Actions
   ========================================================================== */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(6, 16, 11, 0.95);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-gold);
    padding: 0.75rem 1rem;
    z-index: 999;
    box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.5);
}

.mobile-bar-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 0.5rem;
}

.m-bar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.5rem 0.25rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
}

.m-bar-btn.call {
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid var(--border-gold);
    color: var(--gold-light);
}

.m-bar-btn.whatsapp {
    background: rgba(37, 211, 102, 0.15);
    border: 1px solid rgba(37, 211, 102, 0.35);
    color: #4ade80;
}

.m-bar-btn.calc {
    background: var(--gold-gradient);
    color: #06100b;
    border: none;
}

/* ==========================================================================
   Luxury Animated Preloader
   ========================================================================== */
.kalpet-preloader {
    position: fixed;
    inset: 0;
    background: #040a07;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.kalpet-preloader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-core {
    text-align: center;
    max-width: 400px;
    padding: 2rem;
}

.preloader-emblem-wrap {
    width: 110px;
    height: 110px;
    margin: 0 auto 2rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preloader-emblem-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: coinSpin3D 3.5s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
    filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.5));
}

@keyframes coinSpin3D {
    0% { transform: rotateY(0deg); }
    50% { transform: rotateY(180deg); }
    100% { transform: rotateY(360deg); }
}

.preloader-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    color: #ffffff;
    margin-bottom: 0.35rem;
}

.preloader-sub {
    font-size: 0.8rem;
    color: var(--gold-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.preloader-bar-bg {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
    margin-bottom: 1rem;
}

.preloader-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--gold-gradient);
    box-shadow: 0 0 15px var(--gold-primary);
    transition: width 0.1s linear;
}

.preloader-progress-text {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--gold-light);
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1080px) {
    .hero-grid, .pillars-grid, .fleet-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .ceiling-grid, .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }

    .calc-box {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 860px) {
    .nav-menu, .nav-actions .btn-quote {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .stats-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .stat-item:nth-child(2)::after {
        display: none;
    }

    .gallery-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .mobile-sticky-bar {
        display: block;
    }

    body {
        padding-bottom: 65px;
    }
}

@media (max-width: 580px) {
    .stats-strip {
        grid-template-columns: 1fr;
    }

    .stat-item::after {
        display: none;
    }

    .ceiling-grid, .process-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .hero-floating-badge {
        flex-direction: column;
        align-items: flex-start;
    }
}